680180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 1451520

約数和(自身を除く): 771340

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 479, 710, 958, 1420, 1916, 2395, 4790, 9580, 34009, 68018, 136036, 170045, 340090, 680180]

約数ペア:

[(1, 680180), (2, 340090), (4, 170045), (5, 136036), (10, 68018), (20, 34009), (71, 9580), (142, 4790), (284, 2395), (355, 1916), (479, 1420), (710, 958)]